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Product Brief Description
The GE 369B1874G5004 is a Digital Output Base (BDO20) that functions as an Extension Relay Board. It provides 16 channels for controlling DC loads. This module is an extension board, meaning it expands the I/O capacity of a main control system, specifically for applications requiring the control of direct current (DC) devices.
Detailed Product Description
As an integral part of an industrial control system, this module is typically mounted on a DIN rail. It provides the terminal points for a main control module to interface with 16 external DC-powered devices. The “BDO20” designation indicates it is a specific type of digital output base, and the “DC” specifies the type of load it is built to handle. By using relays, the module offers crucial electrical isolation between the control circuitry and the field devices, which is vital for protecting sensitive electronics from DC voltage spikes and inductive kickback from motors and solenoids.
Key Features and Specifications
- Part Number: 369B1874G5004
- Module Type: Digital Output Base (BDO20)
- Channels: 16 relay outputs
- Load Type: Designed for DC loads
- Function: Extends the I/O count of a main control module
- Mounting: DIN rail installation
- Output Type: Relay contacts for switching DC circuits
- Benefits: Provides electrical isolation, system scalability, and robust DC load control.
Functional Role in a System
This extension board works by receiving digital signals from a host controller. When a signal is sent to one of the 16 channels, the corresponding relay on the board is activated. The relay contacts close, completing the DC circuit and supplying power to an external device. This setup is perfect for adding more control points to a system without having to replace the entire controller. The relay-based design ensures that high-current DC loads don’t affect the controller’s performance or integrity.
Common Applications
This DC extension relay board is well-suited for controlling various DC devices in industrial environments:
- Robotics: Actuating DC motors and solenoids for motion control.
- Material Handling: Controlling DC-powered conveyor belts, pneumatic valves, and sorting gates.
- Safety Systems: Interfacing with DC-powered alarms, light towers, or safety interlocks.
- Process Control: Switching DC-powered sensors, indicators, and low-voltage actuators.
